Artists
(By year signed with TRO)
- Maxwell Anderson
- Joan Armatrading
- Charles Aznavour
- Chris Barber
- Syd Barrett
- Harry Belafonte
- Lead Belly
- Black Sabbath
- Blind Blake
- Tony Bourge
- David Bowie
- Oscar Brand
- Alfred Burt
- Michael Chapman
- Joe Cocker
- Roger Cook
- Ron Coleman
- Vincent Crane
- Bob Dorough
- Bill Evans
- Herbie Flowers
- Mick Green
- Woody Guthrie
- Justin Hayward
- Woody Herman
- Vaughn Horton
- Bart Howard
- Wihla Hutson
- Bessie Jones
- Bernice Johnson Reagon
- John Kongos
- Denny Laine
- Shona Laing
- Fran Landesman
- Alan Lomax
- Loretta Lynn
- Humphrey Lyttelton
- Hugh Martin
- Ed McCurdy
- Brownie McGhee
- Ralph McTell
- Dudley Moore
- Max Morath
- Fred Neil
- Anthony Newley
- Ozzy Osbourne
- Violetta Parra
- Mike Pinder
- Pink Floyd
- Buck Ram
- Gene Raskin
- Keith Reid
- Doug Rowe
- Pete Seeger
- Mike Settle
- Burke Shelley
- Shel Silverstein
- Memphis Slim
- Chris Stainton
- Norma Tanega
- Sonny Terry
- Pete Townsend
- Roy Turk
- Kurt Weill
- Alec Wilder
- Roy Wood
- Johnny Worth
- Denny Zeitlin
